Make ui::test::EventGenerator work with PointerEvents in mash

ash/common/system/tray/system_tray_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/common/system/tray/system_tray.h"
 
 #include <string>
 #include <vector>
 
 #include "ash/common/accelerators/accelerator_controller.h"
@@ skipping 409 matching lines @@
 
   // Test in the right alignment.
   shelf->SetAlignment(SHELF_ALIGNMENT_LEFT);
   window_bounds = widget->GetWindowBoundsInScreen();
   tray_bounds = tray->GetBoundsInScreen();
   // TODO(estade): Re-enable this check. See crbug.com/660928.
   // EXPECT_TRUE(window_bounds.Contains(tray_bounds));
 }
 
 TEST_F(SystemTrayTest, PersistentBubble) {
-  // TODO: investigate why this fails in mash. http://crbug.com/695559.
-  if (WmShell::Get()->IsRunningInMash())
-    return;
-
   SystemTray* tray = GetPrimarySystemTray();
   ASSERT_TRUE(tray->GetWidget());
 
   TestSystemTrayItem* test_item = new TestSystemTrayItem();
   tray->AddTrayItem(base::WrapUnique(test_item));
 
   std::unique_ptr<views::Widget> widget(CreateTestWidget(
       nullptr, kShellWindowId_DefaultContainer, gfx::Rect(0, 0, 100, 100)));
 
   // Tests for usual default view while activating a window.
   tray->ShowDefaultView(BUBBLE_CREATE_NEW);
   tray->ActivateBubble();
   ASSERT_TRUE(tray->HasSystemBubble());
   widget->Activate();
   base::RunLoop().RunUntilIdle();
   ASSERT_FALSE(tray->HasSystemBubble());
 
+  // Clicking outside the bubble should close it.
   tray->ShowDefaultView(BUBBLE_CREATE_NEW);
   ASSERT_TRUE(tray->HasSystemBubble());
   {
     ui::test::EventGenerator& generator = GetEventGenerator();
     generator.set_current_location(gfx::Point(5, 5));
     generator.ClickLeftButton();
     ASSERT_FALSE(tray->HasSystemBubble());
   }
 
   // Same tests for persistent default view.
@@ skipping 95 matching lines @@
 
   EXPECT_EQ(0, notification_tray->tray_bubble_height_for_test());
 }
 
 TEST_F(SystemTrayTest, SeparatorThickness) {
   EXPECT_EQ(kSeparatorWidth, views::Separator::kThickness);
 }
 
 }  // namespace test
 }  // namespace ash